| Computer-in-a-computer idea gains ground |
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Software giant Microsoft and start-up VMware are bringing closer to reality a technology for running multiple instances of an operating system on a single computer.
The technology, called virtualization, is a layer of software that isolates programs from the hardware they run on. In the near term, Microsoft hopes to use the idea to support customers with newer computers that must run older programs. But VMware is further along in a strategy to make its software a key part of the utility computing concept popular in the industry.
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